用5条直线将下面的12个棋子连起来,且每条直线都与前一条相连,线条不得重复,应该怎么做? oc4V9hamGQ2PsILpUj2zFH1wGwIvyI03qd+/z+PcPyi1i/gSPtU+YHOF2r3AIicZ